Giant panda Pu Pu plays at Shenyang Forest Zoo in Shenyang City, Northeast China's Liaoning Province, April 25, 2018. The panda, initially thought to be female, was declared to be male according to the zoo and the China Conservation and Research Center for the Giant Panda. (Photo: China News Service/Yu Haiyang)
Giant panda Pu Pu plays at Shenyang Forest Zoo in Shenyang City, Northeast China's Liaoning Province, April 25, 2018. The panda, initially thought to be female, was declared to be male according to the zoo and the China Conservation and Research Center for the Giant Panda. (Photo: China News Service/Yu Haiyang)
Giant panda Pu Pu plays at Shenyang Forest Zoo in Shenyang City, Northeast China's Liaoning Province, April 25, 2018. The panda, initially thought to be female, was declared to be male according to the zoo and the China Conservation and Research Center for the Giant Panda. (Photo: China News Service/Yu Haiyang)
Giant panda Pu Pu plays at Shenyang Forest Zoo in Shenyang City, Northeast China's Liaoning Province, April 25, 2018. The panda, initially thought to be female, was declared to be male according to the zoo and the China Conservation and Research Center for the Giant Panda. (Photo: China News Service/Yu Haiyang)